package com.chris.cc.common.util;

import org.apache.commons.lang.RandomStringUtils;
import org.apache.commons.lang.StringUtils;

/**
 * Copyright (c) 2018-2025, chris All rights reserved.
 * <p>
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * <p>
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * Neither the name of the pig4cloud.com developer nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * <p>
 * Author: haoka (haokang207@126.com)
 * <p>
 * Date: 2018/8/24 9:42<p>
 * 实体编号生成器
 **/
public class EntityNumberGenerator {

    public static String generateDeptNo(String prefix) {
        prefix = StringUtils.isBlank(prefix) ? generatePrefix() : prefix.toLowerCase();
        return prefix + generateNo();
    }

    private static String generateNo() {
        return RandomStringUtils.randomNumeric(3);
    }

    private static String generatePrefix() {
        return RandomStringUtils.randomAlphabetic(2).toUpperCase();
    }
}
